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Round|Natural|GIA

3.00ct H SI1 Round Natural Diamond

EX • H/SI1 • GIA 2557312305

Certificate GIA 2557312305

Diamond specifications and retailer prices

From $36,497 SGD
$28,549 USD
As of October 30, 2026
Save $19,990 SGD (35%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $56,487 SGD at MOH London · As of November 1, 2026
View at MOH London

About this 3ct natural round diamond

This 3ct natural round sits in the three to five carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2557312305. Listed at 14 retailers as of October 30, 2026, with prices from $36,497 to $56,487, a $19,990 spread on the same certified stone. MOH London lists it at $56,487. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

3.00
Carat
H
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
Crown angle36.5°
OriginNatural
Grading LabGIA
CertificateGIA 2557312305
Dimensions9.05 × 9.12 × 5.78 mm
L/W Ratio1.01
Culet sizeNone
Top View
9.05 mm9.12 mm3.00 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
CertificateGIA 2557312305
Side View
Table 55.0%Crown 36.5°Girdle: MediumPavilionCulet: NoneDepth 63.6%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $56,487 SGD|Low: $36,259 SGD|High: $58,107 SGD|Avg: $42,833 SGD|-1.9%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 1, 2026
Retailer 10$36,497 SGD
Retailer 6$36,595 SGD
Retailer 4$36,679 SGD
Retailer 11$37,830 SGD
Retailer 8$38,793 SGD
Retailer 2$40,181 SGD
Retailer 3$42,091 SGD
Retailer 9$43,427 SGD
Retailer 7$44,000 SGD
Retailer 12$45,098 SGD
Retailer 5$46,887 SGD
MOH London$56,487 SGD

41 data points across 12 retailers

14 retailers$36,497 SGD to $56,487 SGD

A
Cheapest Retailer
-
$36,497 SGD
$28,549 USD
A
Retailer 2
-
$36,595 SGD
$28,626 USD
View
Final sale: no returns
Retailer 3
-
$36,679 SGD
A$44,141 AUD
View
Price last confirmed 28 days ago
Retailer 4
-
$37,830 SGD
$29,592 USD
View
Price last confirmed 8 days ago
Retailer 5
-
$38,346 SGD
$29,995 USD
View
Price last confirmed 44 days ago
B+
Retailer 6
-
$38,793 SGD
$30,345 USD
View
B+
Retailer 7
-
$40,181 SGD
£24,748 GBP
View
B+
Retailer 8
-
$42,091 SGD
$32,925 USD
View
Retailer 9
-
$43,427 SGD
$33,970 USD
View
Price last confirmed 10 days ago
B+
Retailer 10
-
$44,000 SGD
€32,779 EUR
View
Retailer 11
-
$45,098 SGD
$35,277 USD
View
Price last confirmed 9 days ago
Retailer 12
-
$45,713 SGD
$35,758 USD
View
Price last confirmed 43 days ago
B
Retailer 13
-
$46,887 SGD
ZAR 592,514 ZAR
View
Most Expensive
B
MOH London
31F277C67 · Nov 1
$56,487 SGD
£34,792 GBP
View
13 more retailers have this diamond
Prices start from $36,497 SGDSave up to $19,990 SGD

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
3.00ct Round
$36,497 SGD